In the Western U.S. state of Colorado, farming communities are under mandatory evacuations.<br/> <br />They've been warned the already devastating floods that hit the region on Wednesday could surge as heavy rain continues over the weekend.<br/> <br />Authorities say the floodwaters, the worst to hit the state in decades, have claimed the lives of at least four, and possibly five, people.<br/> <br />Nearly 200 others in eastern Colorado remain unaccounted for, although authorities think some of them may still be stranded.<br/> <br />The National Weather Service warns of scattered showers and thunderstorms throughout the weekend.<br/> <br />That could trigger even more flash flooding - across stretches of the state already drenched and underwater.
